如图,A'B'C'分别边长为4a的正方形ABCD四条边上的点,并且A'A=BB'=CC'=1/4AB.证三角形A'B'C'为RT三角形重点解出A'C'的来由
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![如图,A'B'C'分别边长为4a的正方形ABCD四条边上的点,并且A'A=BB'=CC'=1/4AB.证三角形A'B'C'为RT三角形重点解出A'C'的来由](/uploads/image/z/11969902-46-2.jpg?t=%E5%A6%82%E5%9B%BE%2CA%27B%27C%27%E5%88%86%E5%88%AB%E8%BE%B9%E9%95%BF%E4%B8%BA4a%E7%9A%84%E6%AD%A3%E6%96%B9%E5%BD%A2ABCD%E5%9B%9B%E6%9D%A1%E8%BE%B9%E4%B8%8A%E7%9A%84%E7%82%B9%2C%E5%B9%B6%E4%B8%94A%27A%3DBB%27%3DCC%27%3D1%2F4AB.%E8%AF%81%E4%B8%89%E8%A7%92%E5%BD%A2A%27B%27C%27%E4%B8%BART%E4%B8%89%E8%A7%92%E5%BD%A2%E9%87%8D%E7%82%B9%E8%A7%A3%E5%87%BAA%27C%27%E7%9A%84%E6%9D%A5%E7%94%B1)
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